MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


QuasarRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82
SHA3-384 hash: 7f72de9fc7d0974adf77b2ee1aaa3af11f2aa35c700bf9bfe9a13246528590b9bcb92284d1008632ee54d4fbe9448200
SHA1 hash: a771ca49d1da4b8fec76d26f804ae508fd6a563a
MD5 hash: 45b7902eff42d5436468a6dc0953e4d2
humanhash: yellow-may-quebec-ceiling
File name:SPECIFICATION.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:429'568 bytes
First seen:2021-02-11 06:18:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:2BAnVL6OTIUcyPP7r9r/+ppppppppppppppppppppppppppppp0G:2yE4LcyP1q
Threatray 15 similar samples on MalwareBazaar
TLSH DA944885E65456A0EC69ABB06A36CC3442337DBDA834E51C29DE3DAB3FFB7931021417
Reporter cocaman
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SPECIFICATION.exe
Verdict:
Malicious activity
Analysis date:
2021-02-11 06:20:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/feb0c118-424d-40ae-b037-36543e3485b1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/116657/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.61478.25127.30073.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Setting a keyboard event handler
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/605349
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 351711 Sample: SPECIFICATION.exe Startdate: 11/02/2021 Architecture: WINDOWS Score: 100 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 7 other signatures 2->69 9 SPECIFICATION.exe 6 2->9         started        13 winupdate.exe 4 2->13         started        process3 file4 43 C:\Users\user\AppData\Roaming\zCZeKY.exe, PE32 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmp4C57.tmp, XML 9->45 dropped 47 C:\Users\user\...\SPECIFICATION.exe.log, ASCII 9->47 dropped 77 Contains functionality to register a low level keyboard hook 9->77 79 Injects a PE file into a foreign processes 9->79 15 SPECIFICATION.exe 4 9->15         started        19 schtasks.exe 1 9->19         started        21 SPECIFICATION.exe 9->21         started        23 winupdate.exe 13->23         started        26 schtasks.exe 13->26         started        signatures5 process6 dnsIp7 49 C:\Users\user\AppData\Local\...\winupdate.exe, PE32 15->49 dropped 51 C:\Users\...\winupdate.exe:Zone.Identifier, ASCII 15->51 dropped 61 Installs a global keyboard hook 15->61 28 winupdate.exe 5 15->28         started        31 conhost.exe 19->31         started        57 ipecho.net 23->57 59 192.168.2.1 unknown unknown 23->59 33 conhost.exe 26->33         started        file8 signatures9 process10 signatures11 81 Multi AV Scanner detection for dropped file 28->81 83 Machine Learning detection for dropped file 28->83 85 Injects a PE file into a foreign processes 28->85 35 winupdate.exe 16 3 28->35         started        39 schtasks.exe 1 28->39         started        process12 dnsIp13 53 ipecho.net 216.239.32.21, 49722, 49728, 49730 GOOGLEUS United States 35->53 55 smtp.gmail.com 74.125.206.108, 49723, 587 GOOGLEUS United States 35->55 71 Tries to steal Mail credentials (via file access) 35->71 73 Tries to harvest and steal browser information (history, passwords, etc) 35->73 75 Installs a global keyboard hook 35->75 41 conhost.exe 39->41         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 03:13:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yajhe2s4rthsqjbdukknundkgjm7ehj2mqvdgrhcjctoucgersba._file
Verdict:
unknown
Similar samples:
16e587a78c6af7a68db2eee80ac40ccec784aeb261cfa7bab04c54608dc96324
QuasarRAT
24be4bd66f7e47dee0a64925c1ceee243396c06d18c00fb16ce54204cb9b096e
QuasarRAT
780316d5248b75354fd95a49441813a7f59e7fe1126fd337bc378fcad603fab0
QuasarRAT
97059b74b76a880fae49ca4bfa64953cb694e60195a387018440066e5c0cf853
QuasarRAT
9d428688140447ecfeaac7ef6d45015ad0e475b042fd1841646232fd954bc55e
QuasarRAT
a1ee49e6e932b417c5e3f887daffc0421c9eec8af963a4e842fa307b05244286
QuasarRAT
ce07dc9b67f4e91fb0254421599c3344f60732b99c24d39d4f2a5b8e93da56ef
QuasarRAT
edd8c8e1ee94c8aa8500999cf2d7f20801464d07d51ef3401ba1a1af0cc8fbae
QuasarRAT
f4c347b4a344291c7e62fc77734b3e403358723874f7460ea4e2a6f2c3659b48
QuasarRAT
ff22d13021f2bd9af9ec6f70782562460c5ea710e1fbbaa50ba997294c506a7e
QuasarRAT
+ 5 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210211-pvf7jhaytn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
Link:
https://www.unpac.me/results/595e2f70-4b9c-47c1-af68-fe9abdb9ad2b/
SH256 hash:
52ee868f7acdf3daebd16a68c9d9a634c7e9ad20cf7c1cc73366e49227469683
MD5 hash:
4142e6a28f74cddf8fa6bff0f07e61a5
SHA1 hash:
cd021d433f06fdcbb9b774dc4feb505928cec8d6
Link:
https://www.unpac.me/results/595e2f70-4b9c-47c1-af68-fe9abdb9ad2b/
SH256 hash:
254a30d632d364f11864499a4b496d4896e969256864934ec6aabeb1b09cb73f
MD5 hash:
30ff7e87c1c4530f7dcc562e2fd448c4
SHA1 hash:
8c474d81d0fe55b5ce8713f7ce1a45b6e3485085
Link:
https://www.unpac.me/results/595e2f70-4b9c-47c1-af68-fe9abdb9ad2b/
SH256 hash:
c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82
MD5 hash:
45b7902eff42d5436468a6dc0953e4d2
SHA1 hash:
a771ca49d1da4b8fec76d26f804ae508fd6a563a
Detections:
win_cannon_auto
Create hunting rule
Link:
https://www.unpac.me/results/595e2f70-4b9c-47c1-af68-fe9abdb9ad2b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:win_cannon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

QuasarRAT

zip 1eb139873d87131e9df36149967e191694667f28a2ec60e0dd70cf71f1f020c2

QuasarRAT

Executable exe c012726a5c8ccf282423a294da346a3259f21d3a642a3344e248a6ea08c48c82

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1eb139873d87131e9df36149967e191694667f28a2ec60e0dd70cf71f1f020c2
Cape
Cape
https://www.capesandbox.com/analysis/116657/

Comments